The following table shows the position of nine elements in the periodi

1.	The following table shows the position of nine elements in the periodic table. The elements are shown by the letters which are not their usual symbols. Using the following table answer the following questions: Groups→Periods↓12131415161718Period 1 HydrogenPeriod 2 A BoronX Nitrogen OxygenP Neon Period 3 B Y L Q Period 4 C CalciumZ M R Period 5 D SWith the help of the table, answer the following questions: i. Give the letter which has maximum metallic character. ii. Give the letter which has maximum non-metallic character. iii. Name the family of elements represented by P, Q, R, and S. iv. Name the elements A, X, Q and S. v. Write the valency of letters (a) X, Y and Z (b) L and M (c) P, Q, R and S vi. Which element has a larger atomic radius out of (a) A and D (b) A and P? vii. Give the common name of the group 1 and group 2.
Answer» i. D ii. P iii. Halogen iv. A - Lithium, X - Carbon, Q - Chlorine, S - Iodine v. a. Valency of X,Y and Z is 4. b. Valency of L and M is 2. c. Valency of P, Q, R and S is 1. vi. a. D has larger radius (out of A and D). b. A has larger radius (out of A and P). vii. Group 1 is known as alkali metals. Group 2 is known as alkaline earth metals.

The following table shows the position of nine elements in the periodic table. The elements are shown by the letters which are not their usual symbols. Using the following table answer the following questions: Groups→Periods↓12131415161718Period 1 HydrogenPeriod 2 A BoronX Nitrogen OxygenP Neon Period 3 B Y L Q Period 4 C CalciumZ M R Period 5 D SWith the help of the table, answer the following questions: i. Give the letter which has maximum metallic character. ii. Give the letter which has maximum non-metallic character. iii. Name the family of elements represented by P, Q, R, and S. iv. Name the elements A, X, Q and S. v. Write the valency of letters (a) X, Y and Z (b) L and M (c) P, Q, R and S vi. Which element has a larger atomic radius out of (a) A and D (b) A and P? vii. Give the common name of the group 1 and group 2.

Answer»

i. D

ii. P

iii. Halogen

iv. A - Lithium, X - Carbon, Q - Chlorine, S - Iodine

v. a. Valency of X,Y and Z is 4.

b. Valency of L and M is 2.

c. Valency of P, Q, R and S is 1.

vi. a. D has larger radius (out of A and D).

b. A has larger radius (out of A and P).

vii. Group 1 is known as alkali metals.

Group 2 is known as alkaline earth metals.